Prevent QUIC handshake messages from flooding GFE logs

PiperOrigin-RevId: 341725384
Change-Id: I6e10bf6b563d67789965af6c26dd9ad04e74278c

quic/core/tls_handshaker.cc

diff --git a/quic/core/tls_handshaker.cc b/quic/core/tls_handshaker.cc
index 1f20f32..495312d 100644
--- a/quic/core/tls_handshaker.cc
+++ b/quic/core/tls_handshaker.cc
@@ -93,7 +93,7 @@
     return;
   }
 
-  QUIC_LOG(INFO) << "TlsHandshaker: continuing handshake";
+  QUIC_VLOG(1) << "TlsHandshaker: continuing handshake";
   int rv = SSL_do_handshake(ssl());
   if (rv == 1) {
     FinishHandshake();